|
Texas |
RX |
Antenna reception mode |
| ANT1/ANT2/Switch | To separate | To separate |
| Diversity | Diversity | |
| Twins | To separate | |
| Twins | To separate | To separate |
| Diversity | Diversity | |
| Twins | Twins |
Description
BETA FPV SuperG nano transmitter
Based on ELRS V3.3 and in collaboration with the ELRS developer team, the first Gemini transmitter with dual frequency diversity is released! At present, the SuperG Nano transmitter can be fully activated to achieve the best link quality ever combined with rx diversity as SuperD Receiver OR Super P Receiver. With dual 1W transmit power, it excels in anti-interference performance and stability, making it the ideal solution for demanding applications such as FPV racing, long-range flying and professional photography.
Characteristics
- Introducing the pioneering dual-frequency diversity Gemini transmitter, propelling ELRS into the era of dual-frequency capabilities.
- The dual 1W transmit power found amplified signal strength, expanded transmission distances, and a substantial increase in remote control range.
- In combination with existing True Diversity receivers, activating Gemini mode ensures consistent signal stability even in the most complex radio environments.
- Meticulously crafted from CNC aluminum alloy, the transmitter enclosure facilitates efficient thermal conductivity, complemented by an intelligently designed heat sink system for optimal heat dissipation.
- Featuring 2 customizable buttons and 1 USB port, the transmitter can accommodate external power sources, allowing for consistent long-range shipments.
Technical specifications
- Item: BETAFPV SuperG Nano transmitter module | ELRS2.4G
- Weight: 44.8g
- Color: Black, Red, Grey
- Antenna Connector: 2*RP-SMA
- RF Power: 25mW/50mW/100mW/250mW/500mW/1000mW
- Packet Rate: 50Hz/100Hz/150Hz/250Hz/333Hz/500Hz/D250/D500/F500/F1000
- Frequency band: 2.4GHz ISM
- Backpack: support
- Input Voltage: 7V~13VDC
- Rated current: 8V, 1000mA at 1000mW, 1:128, Gemini mode
- USB Port: Type C
- Fan Voltage: 5V
- Default firmware version: ExpressLRS V3.3.0
- Lens Name: BETAFPV SuperG Nano 2.4GHz TX
Scheme
Below is the diagram of the SuperG Nano transmitter.
Note: Mount the antenna before turning it on. Otherwise, the PA chip in the SuperG Nano transmitter will be permanently damaged.
Below is the comparison information of the 3 products SuperG Nano Transmitter, ELRS Nano TX Module and ELRS Micro TX Module. Showcase upgrades and advanced specs more than ever.
| SuperG NanoTX | NanoTX | MicroTX | |
| Maximum RF power | Double 1000mW | 500mW | 500mW/1000mW |
| RF chips | Double SX128x | Single SX128x | Single SX128x |
| Antenna mode | Twins | To separate | To separate |
| Cooling system | Supported | Not supported | Supported |
| Backpack | Supported | Not supported | Supported |
| External power supply | Supported 7-13V | Not supported | Supported 5-12V |
- Antenna Diversity Mode, two antennas. Change the two antennas regularly to read the RSSI value of the signal and determine which antenna to use to receive data.
- True Diversity mode, in which both antennas receive data at the same frequency and the antenna that receives the correct data first is used.
- Gemini mode, in which two antennas simultaneously receive telemetry data with a frequency difference of 40 MHz. They also transmit data simultaneously but at different frequencies. This means that it is possible to receive the same data packets on different frequencies and antennas. This mode provides stable flight even in complex radio environments.
Among them, Gemini is the most advanced feature of ExpressLRS so far: Gemini mode currently! It has the most stable mode to receive signals and offers higher interference resistance and stability, making it suitable for various applications.
The SuperG Nano transmitter features Gemini mode. In a test video by developer Jye Smith , it is shown that with a refresh rate of 1000 Hz, the LQ value fluctuates between 90 and 100 when the True Diversity receiver is running. However, after switching to Gemini mode, the LQ value stabilizes at 99-100. This shows that ELRS does everything to ensure link stability.
Combination with Diversity RX
Gemini mode builds on the hardware foundation of True Diversity receivers and requires a high-frequency module with dual RF output. When used with Super series products, you can take full advantage of the benefits of Gemini mode. And the effects of using the transmitter and receiver in various modes are as follows:
Using it together with the True Diversity receiver ensures a super stable yet strong radio link to allow pilots to fly in any environment requiring extremely stable signals and low latency. Including long-haul flights, multiplayer flights and FPV racing. It offers pilots a robust and aggressive flying experience.
Dual 1W output power
The SuperG nano transmitter with dual active dual frequency antennas, each with a powerful 1W transmit power. Experience stronger signals, longer transmission distances and improved remote control range.
Cooling system iteration
The casing part is made of CNC aluminum alloy with anodized surface for durability. It dissipates heat effectively, thanks to optimized internal airflow and a high-speed fan with copper thermal fins. Fly with confidence and enjoy reliable performance every time.
Combination with most TX radios
The SuperG Nano transmitter can be configured via LUA script. EdgeTX and OpenTX radio transmitters that support CRSF can be used easily. It is available for the popular Nano TX interface when used with Micro-nano Module Adapter including Radiomaster TX16, Boxer, Zorro. Jumper T16, T20, T Pro. Frsky QX7, X9, X Lite.
Note: LiteRadio 3 Pro radio transmitter cannot support dual transmitter power above 100mW due to power issues .
ELRS series
The ExpressLRS series expands its range with the addition of the SuperG Nano transmitter. For exceptional link quality, pair Gemini TX with Super Series Diversity receivers. BETAFPV takes the flight experience to new levels by introducing ELRS links that offer long-range, low latency and high update rate capabilities in a radio control system.
Basic configuration
The SuperG Nano transmitter is designed to receive signals using the Crossfire Serial Data Protocol (CRSF). Therefore, the high frequency module interface of the transmitter must support CRSF signal output. Taking the EdgeTX transmission system as an example, we will explain how to configure the transmitter to output CRSF signals and control the transmitter using Lua scripts.
On the EdgeTX system, access MODEL SEL and access the SETUP menu. Disable Internal RF (set to OFF), enable External RF, and set the output mode to CRSF, as shown in the following image.
Lua scripting is a lightweight and compact scripting language that can be embedded in the transmitter for convenient access and modification of the transmitter configuration.
- Download the elrsV3.lua script from the BETAFPV Support Center or the ExpressLRS Configurator.
- Copy the official Lua script, elrsV3.lua, to the transmitter's SD card in the Scripts/Tools location.
- On the EdgeTX system, long press the SYS button or MENU button to access the SD-HC CARD menu.
- In this menu, select the elrsV3.Lua script and run it.
- If the Lua script runs successfully, the interface will appear as shown in the following illustration.
Custom buttons
SuperG Nano Transmitter reserves 2 buttons that can be customized by users. Here are the specific steps to operate:
- Enable the transmitter's WiFi or turn it on and wait 60 seconds to enter WiFi mode using LUA programming.
- The RGB light will slowly flash green, indicating that the transmitter has automatically enabled WiFi (WiFi name: ExpressLRS TX, WiFi password: expresslrs).
- Connect your smartphone or computer to your WiFi network and open a web browser. Enter http://10.0.0.1 to access the custom button settings page.
- In the Action column of the corresponding button, select the desired custom function. Then, choose the button type and the number of presses or duration in the Press and Count columns. Click SAVE to complete the settings.
There are currently 6 functions that can be assigned to shortcut buttons. There are 2 ways to use the buttons: long press and short press. You can customize the duration of a long press, while you can also customize the number of presses for a short press.
Below are the 6 functions that can be set:
| Unused | VTX setting |
| Increases output power | Enable Wi-Fi |
| Enter the VTX channel | Enter binding mode |
| Enter the VTX band |
The images below show the functionality of the transmitter in factory default settings. (The left button is button 1 and the right button is button 2.)
| Button | Action | to press | To count |
| Button 1 (left button) |
Enter binding mode | Short press | 3 times |
| Increase power | Long press | For 0.5 seconds | |
| Button 2 (right button) |
Go to VTX
Channel menu |
Short press | 2 times |
| Send VTX settings | Long press | For 0.5 seconds |
Note: The transmitter hardware does not support RGB button lights.
Binding and external power supply
The SuperG Nano transmitter uses the default firmware, which uses the official ExpressLRS V3.3.0 protocol with no binding phrase. Accordingly, the link receiver must also be equipped with firmware V3.0.0 or higher and no link phrase must be set. For optimal performance, we recommend placing the two transmitter antennas as far apart as possible.
- Put the receiver in a paired state and wait for the connection.
- Click "Bind" in the Lua script or Set Custom button to enter binding mode.
- If the indicator has become solid, it indicates that the device has been paired successfully.
Note: If the TX firmware is reflashed and the link phrase is configured, it is not possible to access the link state via the method described above. Set RX to the same frequency binding phrase and TX and RX can be linked automatically.
When the dual transmit power exceeds 500mW, the SuperG Nano transmitter has relatively high power consumption, resulting in shortened battery life. To extend the use time of the transmitter, it is recommended to use an external battery as a power source.
- The power consumption of the transmitter is not only related to the transmission power but also to the telemetry ratio. When using high power of 500mW and above, the return ratio can be set to a higher value to reduce power consumption and extend the usage time.
- For example, in Gemini mode, the power consumption of setting the return ratio to 1:128 is 1000 mA, while the power consumption of setting the return ratio to 1:2 is only half of 1:128 .
Note: When the battery voltage of the radio transmitter or external battery is less than 7V (2S) or 10.5V (3S), please carefully use the Gemini mode of 500mW and 1W, otherwise the transmitter will enter in the restart state due to insufficient power supply, resulting in out-of-control disconnection.
FAQ
When establishing a connection, it is not possible to insert the LUA script.
- The ELRS LUA script version is outdated and requires an update to elrsV3.lua.
- The baud rate of the radio transmitter is set below 400K and should be adjusted higher.
- If you cannot change the baud rate, you need to update your radio transmitter's firmware, ensuring that EdgeTX is version V2.7.0 or later.
If the radio transmitter is unable to use the F1000 packet rate or displays the message "The transmission rate is too low".
- Reason: F1000 requires a baud rate above 400K, and the baud rate of the radio transmitter is 400K by default.
- Solution: First update the baud rate setting (greater than 400K) in the hardware from the Model Setup menu or System menu, and then reboot the radio transmitter to ensure the baud rate setting has been applied. Then change the packet speed.
When the F1000 is powered on, the packet rate between the radio transmitter and the SuperG Nano transmitter is less than 1000.
- Reason: Problem with EdgeTX version
- Solution: EdgeTX version must be updated to 2.8.0 or later. And the LiteRadio 3 Pro radio transmitter is set to EdgeTX 2.8.0 and does not have this problem.
The default firmware of the SuperG Nano transmitter is ELRS V3.3.0, and users need to update the receiver to V3.0.0 or later to match the frequency.
- Download the instruction manual for the SuperG Nano transmitter
- Download the firmware for the SuperG Nano transmitter
- Download Backpack firmware for the SuperG Nano transmitter
- Download the STL file for the SuperG Nano TX insulation shell
- Click for more information on ELRS Lua scripts
Package Included
- 1 * SuperG Nano Transmitter (Black)
- 2 * 2.4G glue stick antenna
- 1 * USB to Type-C Data Cable
- 1 * Type-C Male to XT30U Male Power Cable
- 1 * GH1.25 male to FUTABA male signal cable
- 1 * Micro-nano Module Adapter (Standard Version)
- 1 * Double Face EVA Foam Tape
- 1 * Instruction Manual
- 1 * Service Card
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Warranty
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The lack of conformity exists when the product is not suitable for the use for which it is normally intended, does not conform to the description or does not possess the qualities promised by the seller, does not offer the qualities and performances usual for a good of the same type, is not suitable for the particular use desired by the consumer if brought to the attention of the seller at the time of purchase and accepted by the seller (art. 129 of the Consumer Code).
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